Perhaps you should try some spelling variations:
designed conversations » designed conversation, design conversations, designing conversations
christian designed » christianity designed, christ designed, christian divine
ref history » reef history, bief history, imf history
21 germany » 11 germany, 2 germany, 20 germany

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: %christian designed conversations %21 germany %((ref history) OR (brief history)) %2023 ((20th century) OR (18th century))%22.
• Adding a wildcard symbol may retrieve word variants: %christian designed conversations %21 germany %((ref history) or (brief history)) %2023 ((20th century) or (18th century))%22*.